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Modeling the Global Distribution of Plasma Parameters on Coronal Source Surface for Different Solar Phases Using 1AU Observations
Yang, Yi; Shen, Fang; Feng, Xueshang; Shen, F (reprint author), Chinese Acad Sci, SIGMA Weather Grp, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationNUMERICAL MODELING OF SPACE PLASMA FLOWS: ASTRONUM-2014
2015
Pages168-173
Language英语
ISBN978-1-58381-880-0
AbstractIn this paper, we have developed an empirical model of the global distribution of plasma parameters on the coronal source surface (at 2.5 solar radii (Rs) in our study) by analyzing observations from Ulysses and OMNI data. We use this model to construct the global map of source surface plasma for four typical Carrington Rotations (CRs) during different phases of solar activity, and analyze the basic characteristics of the distribution. A simple validation of the model is made by comparing the density and velocity distribution with the pB-inversed density and Wang-Sheeley-Arge (WSA) model velocity. The preliminary results show that our model gives reasonable large scale distribution of source surface plasma parameters at different phases of solar activity.
Conference Name9th Annual International Conference on Numerical Modeling of Space Plasma Flows (ASTRONUM-2014)
Conference DateJUN 23-27, 2014
Conference PlaceLong Beach, CA
Indexed ByCPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5414
Collection空间科学部
Corresponding AuthorShen, F (reprint author), Chinese Acad Sci, SIGMA Weather Grp, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yang, Yi,Shen, Fang,Feng, Xueshang,et al. Modeling the Global Distribution of Plasma Parameters on Coronal Source Surface for Different Solar Phases Using 1AU Observations[C],2015:168-173.
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